21317487

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6131}}^1$

素因数の和:6214

約数の個数: 16

約数和(自身を含む): 30414720

約数和(自身を除く): 9097233

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 6131, 18393, 116489, 349467, 373991, 1121973, 7105829, 21317487]

約数ペア:

[(1, 21317487), (3, 7105829), (19, 1121973), (57, 373991), (61, 349467), (183, 116489), (1159, 18393), (3477, 6131)]